Oolite is an independent reinterpretation and ehancement of the classic space sim game Elite for modern computers. The result is a space trading and combat simulation offering encounters with pirates, police, bounty hunters, the occasional alien menace, and other surprises along the way. While striving to reach the coveted Elite status, the players set their own path through the various galaxies, choosing to be trader, pirate, or bounty hunter depending on the situation at hand, and their own judgement. The game is hugely expandable, using a combination of property lists and JavaScript. Oolite's active modding community already provides more than 200 OXPs (Oolite eXpansion Packs). Among them are a huge variety of missions, weapons, ships, and extra career paths over and above what's available within the core game, as well as a number of other gameplay enhancements and customizations.

EDuke32 is a Duke Nukem 3D port that adds several hundred new features for players and developers of user content, including hardware accelerated renderers that take advantage of modern graphical hardware.

jMonkeyEngine is a game engine made for developers who want to create 3D games following modern technology standards. The framework is programmed entirely in Java, and aimed at wide accessibility and fast deployment to desktop, Web, and mobile platforms. It is not a visual “RPG Maker” or a drag-and-drop “FPS mod”. If you are comfortable writing Java code, you can rely on jMonkeyEngine as your next 3D game’s foundation.